Graco Inc. EM390 User Manual

INSTRUCTIONS-PARTS LIST307–724Rev HSupersedes Rev F(and Rev G – not published)EM 390PORTABLE/ELECTRIC AIRLESS PAINT SPRAYER2500 psi (172 bar) MAXIMUM

OPERATION1.Prime the sprayer with paint.a.Close the pressure drain valve. See Fig 10–2.b.Don’t install the spray tip yet!c. Put the suction t

 OPERATIONFig 11–1SPOTTYPATTERN–INCREASEPRESSUREGOODFULLPATTERNFig 11–2ROTATE HANDLE 180AND TRIGGER GUN TOREMOVE CLOG0668RETAINING NUTTIP G

SHUTDOWN AND CARE1. Check the packing nut/wetcup daily. First relievethe pressure; see page 9. Be sure the wetcup is 1/3full of TSL at all ti

 WHEN TO FLUSHNOTE: The Pressure Relief Procedure Warning is onpage 16.NEVER leave water or water–base paint in thesprayer if there is the sl

HOW TO FLUSH1. Relieve pressure. See page 16.2. Remove the filter bowl and screen; see instructionmanual 307–273, supplied. Clean the screen

 APPLICATION METHODSAlways hold the gun perpendicular to the work surfaceand at an even 12 to 14 in. (300 to 356 mm) from the sur-face you ar

TROUBLESHOOTING GUIDEPressure Relief ProcedureTo reduce the risk of serious bodily injury, including fluidinjection, splashing in the eyes or

 PROBLEM CAUSE SOLUTIONElectric motor labors when start-ing, and trips building circuitbreaker or fuseMotor capacitor has failedReplace the c

DISPLACEMENT PUMPTo reduce the risk of serious bodily injury, follow thePressure Relief Procedure Warning on page 16before checking or repair

 DISPLACEMENT PUMPReassembly Procedure1. Stack these parts one at a time onto the piston valve(224): backup washer (219*), U–cup seal (205*)

WARNINGSHIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY.FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS.Read and understand all instruction manua

REPLACING THE CONNECTING ROD and BEARINGTo reduce the risk of serious bodily injury, includingfluid injection or splashing in the eyes or on

 REPLACING THE DRIVE ASSEMBLYTo reduce the risk of serious bodily injury, includingfluid injection or splashing in the eyes or on theskin, or

REPLACING THE ELECTRIC MOTOR & CAPACITORTo reduce the risk of serious bodily injury, includingfluid injection or splashing in the eyes or

 REPLACING THE PRESSURE CONTROL & CIRCUIT BOARDTo reduce the risk of serious bodily injury, includingfluid injection or splashing in the

PRESSURE CONTROL ADJUSTMENTUSE EXTREME CAUTION WHEN PERFORMING THIS ADJUSTMENT PROCEDURE to reduce the risk of afluid injection injury or oth

 PRESSURE CONTROL ADJUSTMENTNOTE: See Fig 25–1 for the following procedure.4. Open the needle valve slightly. Turn the pressure con-trol knob

PARTS DRAWING & LIST – PRESSURE CONTROLPart No. 215–860Ref No. 50Pressure Control AssemblyIncludes replaceable items 301 to 316,as listed

 DISPLACEMENT PUMP PARTS DRAWING & LISTRefNo. Part No.Description Qty201 180–656 PLUG 1203 105–444*BALL, sst, 0.3125” dia.1204 105–445* B

PARTS LIST – SPRAYER WITH UPRIGHT CARTModel 231–001, Series B, Basic SprayerIncludes items 1 to 125 as listed belowRef No.Part No.Description

 PARTS DRAWING – SPRAYER WITH UPRIGHT CARTModel 231–001, Series BBasic Sprayer with Upright CartDANGER LABEL, ENGLISHDANGER LABEL, FRENCHDETA

 MOVING PARTS HAZARDMoving parts can pinch or amputate your fingers or other bodyparts. KEEP CLEAR of moving parts when starting or operatingt

PARTS LIST – SPRAYER WITH LO-BOY CARTModel 220–726, Series C, Basic SprayerIncludes items 1 to 127 as listed belowRef No.Part No.Description

 PARTS DRAWING – SPRAYER WITH LO-BOY CARTModel 220–726, Series CBasic Sprayer with Lo-Boy CartSEE DETAIL BELOWDANGER LABELENGLISHDANGER LABEL

PARTS DRAWING & LIST – COMPLETE SPRAYERSModel 231–390Complete Upright Sprayerwith Flex GunIncludes items 200 to 202, and 204Model 231–018

 ACCESSORIESSpanish 185–961German 186–041Greek 186–045Korean 186–049Apply otherlanguage hereDANGER LABELSThe English language DANGER label sh

TECHNICAL DATAMaximum Working Pressure2500 psi (172 bar). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Motor 1/2 HP, AC. . . .

 NOTES

TABLE OF CONTENTSWarningsEnglish 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . French 4. . . . . . . . . . . . .

EM390Upright Cart — Model 231–001, Basic SprayerModel 231–390, Complete Sprayer*LoBoy Cart — Model 220–726, Basic SprayerModel 231–051, Complete Spray

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AVERTISSEMENTLa pulvérisation à haute pression peut causer de blessures très graves.Réservé exclusivement à l’usage professionnel. Observer to

 RISQUES EN CAS DE MAUVAISE UTILISATION DU MATERIALConsignes générales de sécuritéToute utilisation anormale de l’appareil du pulvérisation ou

ADVERTENCIAEL ROCIADO A ALTA PRESION PUEDE CAUSAR GRAVES LESIONES. SOLO PARA USO PROFESIONAL. RESPECTE LOS AVISOS DE ADVERTENCIA. Lea y entien

 PELIGRO POR MAL USO DEL EQUIPOSeguridad generalCualquier mal uso del equipo pulverizador o los accesorios, talcomo sobre presurización, modif

SETUPIf you are supplying your own hoses and spraygun, be sure the hoses are electrically conductive,that the gun has a tip guard, and that ea

 SETUPFig 9–1DO NOT INSTALLA SHUT OFFDEVICE HEREMAIN FLUID HOSE(minimum 50 ft./15.2 m)WHIP HOSE(3 ft./0.9 m)PACKING NUT/WETCUPKeep 1/3 full wi